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Reference Material; Structure; Precautions On Disassembly And Reassembly; Disassembly - Hitachi UC 9SF Techical Data And Service Manual

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7. REFERENCE MATERIAL

7-1. Structure

(1) The outer frame consists of
inside this frame.
(2) The printed circuit board consists of other electronic devices to permit rapid charging and
protect against overcharging.
Printed Circuit Board [3]
Case (A) [4]
Terminal (A)

8. PRECAUTIONS ON DISASSEMBLY AND REASSEMBLY

[Bold] numbers in the descriptions below correspond to item numbers in the parts list and
exploded assembly diagram.

8-1. Disassembly

(1) Remove the two Tapping Screw (W/Flange) D3 x 20 [5], and take off Case (B) [2].
The Printed Circuit Board [3] and AC-Adapter [7] cord can then be taken out in an assembled
body.
(2) To separate the Printed Circuit Board [3] and AC-Adapter [7] cord, use a soldering iron to melt
the soldered portions.
NOTE: Ideally, the soldered portions should be freed with a solder absorber. When a
soldering iron must be used, use one with a rated power of 35 W.

8-2. Reassembly

For reassembly, reverse the following disassembly steps. However, special attention should be
taken to ensure that the Battery Set lamp, AC-Adapter [7] cord and charging terminals are
properly installed in their prescribed grooves.
and
Case (A) [4]
Case (B) [2]
Tapping Screw
(W/Flange) D3 x 20 [5]
Case (B) [2]
Fig. 2
-5-
. The printed circuit board is located
AC-Adapter [7]

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